2145635133 has 8 divisors (see below), whose sum is σ = 2865562368. Its totient is φ = 1428065664.

The previous prime is 2145635131. The next prime is 2145635137. The reversal of 2145635133 is 3315365412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2145635133 - 2¹ = 2145635131 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2145635094 and 2145635103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145635131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587316 + ... + 590957.

It is an arithmetic number, because the mean of its divisors is an integer number (358195296).

Almost surely, 2^2145635133 is an apocalyptic number.

It is an amenable number.

2145635133 is a deficient number, since it is larger than the sum of its proper divisors (719927235).

2145635133 is a wasteful number, since it uses less digits than its factorization.

2145635133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178883.

The product of its digits is 32400, while the sum is 33.

The square root of 2145635133 is about 46321.0009930701. Note that the first 3 decimals coincide. The cubic root of 2145635133 is about 1289.7888669543.

The spelling of 2145635133 in words is "two billion, one hundred forty-five million, six hundred thirty-five thousand, one hundred thirty-three".